CA2305201A1 - Determination de la concentration d'especes anioniques par spectroscopie infrarouge proche - Google Patents

Determination de la concentration d'especes anioniques par spectroscopie infrarouge proche Download PDF

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Publication number
CA2305201A1
CA2305201A1 CA002305201A CA2305201A CA2305201A1 CA 2305201 A1 CA2305201 A1 CA 2305201A1 CA 002305201 A CA002305201 A CA 002305201A CA 2305201 A CA2305201 A CA 2305201A CA 2305201 A1 CA2305201 A1 CA 2305201A1
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CA
Canada
Prior art keywords
anionic species
spectral data
solution
determination
near infrared
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002305201A
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English (en)
Other versions
CA2305201C (fr
Inventor
Michael Kester
Denys F. Leclerc
Thanh P. Trung
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FPInnovations
Aker Solutions Canada Inc
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CA002220913A external-priority patent/CA2220913C/fr
Application filed by Individual filed Critical Individual
Priority to CA002305201A priority Critical patent/CA2305201C/fr
Publication of CA2305201A1 publication Critical patent/CA2305201A1/fr
Application granted granted Critical
Publication of CA2305201C publication Critical patent/CA2305201C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Paper (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CA002305201A 1997-11-12 1998-11-03 Determination de la concentration d'especes anioniques par spectroscopie infrarouge proche Expired - Lifetime CA2305201C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002305201A CA2305201C (fr) 1997-11-12 1998-11-03 Determination de la concentration d'especes anioniques par spectroscopie infrarouge proche

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CA2,220,913 1997-11-12
CA002220913A CA2220913C (fr) 1997-11-12 1997-11-12 Determination de la concentration de l'espece anionique par l'intermediaire de spectroscopie du proche infrarouge
PCT/CA1998/001024 WO1999024815A1 (fr) 1997-11-12 1998-11-03 Determination de la concentration d'especes anioniques par spectroscopie infrarouge proche
CA002305201A CA2305201C (fr) 1997-11-12 1998-11-03 Determination de la concentration d'especes anioniques par spectroscopie infrarouge proche

Publications (2)

Publication Number Publication Date
CA2305201A1 true CA2305201A1 (fr) 1999-05-20
CA2305201C CA2305201C (fr) 2003-02-18

Family

ID=25679818

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002305201A Expired - Lifetime CA2305201C (fr) 1997-11-12 1998-11-03 Determination de la concentration d'especes anioniques par spectroscopie infrarouge proche

Country Status (1)

Country Link
CA (1) CA2305201C (fr)

Also Published As

Publication number Publication date
CA2305201C (fr) 2003-02-18

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